Climate at a Glance

City Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of October 2021. For more information, please see Climatological Rankings.


Helena, Montana

Average Temperature Rankings, January 1940

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
January 1940
1-Month
15.1°F
(-9.4°C)
23.6°F
(-4.7°C)
-8.5°F
(-4.7°C)
16th Coolest Coolest to Date 1949, 1950
67th Warmest Warmest since: 1939 2006
Dec 1939–Jan 1940
2-Month
23.6°F
(-4.7°C)
23.0°F
(-5.0°C)
0.6°F
(0.3°C)
42nd Coolest Coolest to Date 1949
40th Warmest Warmest since: 1939 1958
Ties: 1998
Nov 1939–Jan 1940
3-Month
27.9°F
(-2.3°C)
26.5°F
(-3.1°C)
1.4°F
(0.8°C)
54th Coolest Coolest to Date 1979
28th Warmest Warmest since: 1939 2000
Ties: 1965, 1983
Oct 1939–Jan 1940
4-Month
32.7°F
(0.4°C)
31.2°F
(-0.4°C)
1.5°F
(0.8°C)
56th Coolest Coolest to Date 1979
25th Warmest Warmest since: 1939 2000
Ties: 1976
Sep 1939–Jan 1940
5-Month
37.9°F
(3.3°C)
36.6°F
(2.6°C)
1.3°F
(0.7°C)
56th Coolest Coolest to Date 1979
25th Warmest Warmest since: 1939 2002
Ties: 1941, 1946, 1994
Aug 1939–Jan 1940
6-Month
43.1°F
(6.2°C)
42.0°F
(5.6°C)
1.1°F
(0.6°C)
57th Coolest Coolest to Date 1986
24th Warmest Warmest since: 1939 2002
Ties: 1944, 2020
Jul 1939–Jan 1940
7-Month
47.3°F
(8.5°C)
46.1°F
(7.8°C)
1.2°F
(0.7°C)
59th Coolest Coolest to Date 1979
22nd Warmest Warmest since: 1939 2002
Ties: 2019
Jun 1939–Jan 1940
8-Month
48.7°F
(9.3°C)
48.1°F
(8.9°C)
0.6°F
(0.4°C)
51st Coolest Coolest to Date 1952
30th Warmest Warmest since: 1939 2002
Ties: 1970
May 1939–Jan 1940
9-Month
49.8°F
(9.9°C)
48.8°F
(9.3°C)
1.0°F
(0.6°C)
60th Coolest Coolest to Date 1952
21st Warmest Warmest since: 1939 2002
Ties: 1961, 2004
Apr 1939–Jan 1940
10-Month
49.7°F
(9.8°C)
48.6°F
(9.2°C)
1.1°F
(0.6°C)
67th Coolest Coolest to Date 1952
14th Warmest Warmest since: 1939 2002
Ties: 1953, 1970, 1995
Mar 1939–Jan 1940
11-Month
48.4°F
(9.1°C)
47.4°F
(8.6°C)
1.0°F
(0.5°C)
65th Coolest Coolest to Date 1952
14th Warmest Warmest to Date 2002
Ties: 1958, 1964, 1988, 2006
Feb 1939–Jan 1940
12-Month
46.0°F
(7.8°C)
45.8°F
(7.7°C)
0.2°F
(0.1°C)
52nd Coolest Coolest to Date 1952
27th Warmest Warmest to Date 2016
Aug 1938–Jan 1940
18-Month
45.5°F
(7.5°C)
44.5°F
(6.9°C)
1.0°F
(0.6°C)
61st Coolest Coolest to Date 1950, 1952
16th Warmest Warmest to Date 2000
Feb 1938–Jan 1940
24-Month
-- 0.0°F
(-17.8°C)
-- -- -- 1950
-- -- 2017
Feb 1937–Jan 1940
36-Month
-- 0.0°F
(-17.8°C)
-- -- -- 1952
-- -- 2018
Feb 1936–Jan 1940
48-Month
-- 0.0°F
(-17.8°C)
-- -- -- 1952
-- -- 2002
Feb 1935–Jan 1940
60-Month
-- 0.0°F
(-17.8°C)
-- -- -- 1952, 1953
-- -- 2002, 2008, 2009

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published November 2021, retrieved on November 30, 2021 from https://www.ncdc.noaa.gov/cag/